<template>
  <div class="login-container">
    <div class="login-box">
      <div class="avatar">
        <img src="~assets/logo.png" alt="" />
      </div>
      <el-form
        :model="formLogin"
        label-width="0px"
        :rules="rulesLogin"
        class="login-form"
        ref="ruleForm"
      >
        <el-form-item prop="username">
          <el-input
            v-model="formLogin.username"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="formLogin.password"
            prefix-icon="iconfont icon-Forgotpassword-01"
            show-password
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="reset">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'login',
  data() {
    return {
      formLogin: {
        username: 'admin',
        password: '123456'
      },
      // 表单的验证规则
      rulesLogin: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 登录按钮
    login() {
      // console.log(this.$refs.ruleForm)
      this.$refs.ruleForm.validate(async valid => {
        // console.log(valid) 一个布尔值
        if (!valid) return
        const { data: res } = await this.$http.post('/login', this.formLogin)
        console.log(res)
        if (res.meta.status !== 200) {
          this.$message.error('登陆失败,请重新登录')
          return
        }
        this.$message({
          message: '登陆成功',
          type: 'success'
        })
        // 将token存储在本地
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    },
    reset() {
      this.$refs.ruleForm.resetFields()
    }
  }
}
</script>

<style lang="less" scoped>
.login-container {
  height: 100%;
  background: #2b4b6b;
  .login-box {
    width: 450px;
    height: 300px;
    background: #fff;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    .avatar {
      position: absolute;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 130px;
      height: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      background: #fff;
      box-shadow: 0 0 10px #eee;
      img {
        width: 100%;
        height: 100%;
        border-radius: 50%;
      }
    }
  }
}
.login-form {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0 20px;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
